One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Dunellen you can determine when it's a good idea to plant hemerocallis by looking at the USDA zone info.

Planting Calendar for Hemerocallis

Frost tolerance for hemerocallis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since hemerocallis do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant hemerocallis in Dunellen is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant hemerocallis and expect a good harvest is probably September. If you wait any later than that and your hemerocallis may not have a chance to really do well. You can get started a few weeks earlier by starting your hemerocallis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Dunellen. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Dunellen may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Dunellen there is a last frost after April 15 so be sure to be ready to protect your hemerocallis if you have a late frost.

USDA Zone Info for Dunellen

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Dunellen

You may be interested in your other planting guides for Dunellen.